Looking for help to work remotely? Check out our special offer for new subscribers to Microsoft 365 Business Basic.

Protect Yourself From Tech Support Scams

Tech support scams are an industry-wide issue where scammers trick you into paying for unnecessary technical support services. Additionally, some scammers may try to identify themselves as a Microsoft MVP.

btw. maybe someone on MDN will have interest. I had to remove checks for readyState=='interactive' and delay triggering the transition until the window 'load' event. instead of 'DOMContentLoaded'. due to
Firefox 62 bugs.

(modify the 2nd sample with those parameters and see the transition events are unreliable with FF)

that's almost as bad as IE, which doesn't fire style.onload until after window load event.